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LP8345ILD-1.8 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LP8345ILD-1.8 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 13 page LP8345C Electrical Characteristics (Continued) Unless otherwise specified all limits guaranteed for V IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over the full operating temperature range of T J = 0˚C to 125˚C Symbol Parameter Conditions Min (Note 5) Typ (Note 4) Max (Note 5) Units I LIMIT Foldback Current Limit V IN −VOUT >5V 450 mA V IN −VOUT <4V 1200 Ripple Rejection Ratio V IN (dc) = VOUT +2V V IN (ac) = 1VP-P @ 120Hz 48 55 dB T SD Thermal Shutdown Temp. Thermal Shutdown Hyst. 160 10 ˚C ADJ Input Leakage Current V ADJ = 1.5V or 0V ±0.01 ±100 nA V OUT Leakage Current LP8345-ADJ ADJ = OUT, V OUT = 2V, VIN = 10V 10 µA LP8345-1.8, V OUT = 2.5V, VIN = 10V 10 LP8345-2.5, V OUT = 3.5V, VIN = 10V 10 LP8345-3.3, V OUT = 4V, VIN = 10V 10 LP8345-5.0, V OUT = 6V, VIN = 10V 10 e n Output Noise 10Hz to 10kHz, R L =1k Ω,C OUT = 10µF 250 µVrms LP8345I Electrical Characteristics Unless otherwise specified all limits guaranteed for V IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over the full operating temperature range of T J = −40˚C to 125˚C Symbol Parameter Conditions Min (Note 5) Typ (Note 4) Max (Note 5) Units V IN Input Voltage LP8345-ADJ,1.8, 2.5 LP8345-3.3, 5.0 2.7 10 10 V V OUT Output Voltage LP8345-ADJ, ADJ = OUT I OUT = 10mA, VIN = 2.7V, TJ = 25˚C 100µA ≤I OUT ≤ 500mA, 2.7V ≤V IN ≤V OUT +4V 1.231 1.213 1.250 1.269 1.288 V LP8345-1.8 I OUT = 10mA, VIN = 2.8V, TJ = 25˚C 100µA ≤I OUT ≤500mA, 2.8V ≤V IN ≤6V 1.773 1.746 1.800 1.827 1.854 V LP8345-2.5 I OUT = 10mA, VIN = 3.5V, TJ = 25˚C 100µA ≤I OUT ≤500mA, 3.5V ≤V IN ≤6.5V 2.463 2.425 2.500 2.538 2.575 V LP8345-3.3 I OUT = 10mA, VIN = 4.3V TJ = 25˚C 100µA ≤I OUT ≤500mA, 4.3V ≤V IN ≤7.5V 3.250 3.201 3.300 3.350 3.399 V LP8345-5.0 I OUT = 10mA, VIN = 6V, TJ = 25˚C 100µA ≤I OUT ≤500mA, 6V ≤V IN ≤9V 4.925 4.850 5.000 5.075 5.150 V ∆V O Load Regulation LP8345-ADJ, ADJ=OUT I OUT = 1mA to 500mA, VIN = 2.7V 6 20 mV LP8345-1.8 I OUT = 1mA to 500mA, VIN = 2.8V 7 20 LP8345-2.5 I OUT = 1mA to 500mA, VIN = 3.5V 9 30 LP8345-3.3 I OUT = 1mA to 500mA, VIN = 4.3V 12 35 LP8345-5.0 I OUT = 1mA to 500mA, VIN =6V 14 40 www.national.com 5 |
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